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Cell Signaling in Plants

Cell Signaling in Plants

Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...

Transcription

Transcription

Overview
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...

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Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides other important cues to regulate a range of developmental and physiological responses in plants.

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Responses to Drought and Flooding

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関連する実験動画

Updated: Sep 10, 2025

Robotic Sensing and Stimuli Provision for Guided Plant Growth

Robotic Sensing and Stimuli Provision for Guided Plant Growth

Published on: July 1, 2019

ストレスポイント: 植物は環境刺激にどのように反応するか

Raymond Joseph¹, Wilgince Apollon², Antonio Costa De Oliveira¹

¹Federal University of Pelotas (UFPel), Eliseu Maciel School of Agronomy, Plant Genomics and Breeding Center, Pelotas, Rio Grande do Sul, Brazil.

Biotechnology advances

|August 24, 2025

まとめ

遺伝的・分子的適応を通して植物開発に環境ストレスが影響を及ぼします植物のストレス反応を理解することは持続可能な農業のために耐性のある作物を開発する上で鍵となるものです

キーワード:

抗酸化剤の防御メカニズム農作物のストレス耐性環境ストレス因子マルチオミクス植物ストレス生理学反応性酸素種ストレスシグナル伝達経路トランスクリプション規制

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Real-time In Vivo Recording of Arabidopsis Calcium Signals During Insect Feeding Using a Fluorescent Biosensor

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Last Updated: Sep 10, 2025

Robotic Sensing and Stimuli Provision for Guided Plant Growth

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Published on: July 1, 2019

Bacterial Leaf Infiltration Assay for Fine Characterization of Plant Defense Responses using the Arabidopsis thaliana-Pseudomonas syringae Pathosystem

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Real-time In Vivo Recording of Arabidopsis Calcium Signals During Insect Feeding Using a Fluorescent Biosensor

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Published on: August 15, 2017

科学分野:

植物学
環境ストレス生物学
農業科学

背景:

乾燥,塩分,極端な温度,重金属などの環境ストレスに脆弱です.
こうしたストレスが農業生産性と食料安全保障に大きな挑戦をもたらします
植物の適応メカニズムを理解することは作物の改善に不可欠です

研究の目的:

植物の発達に対する環境ストレスの多面的な影響を検討する.
植物がストレスに対処する遺伝的,分子的,生理的,生化学的適応を強調する
ストレスに耐える作物の開発におけるこれらのメカニズムの重要性を強調する.

主な方法:

環境ストレスに対する植物の反応に関する現在の研究を統合した文献レビュー
ストレス耐性に関与する遺伝的および分子的要因の分析
様々なストレス条件下での生理学的および生化学的変化の調査.

主要な成果:

環境ストレスによって植物形態学,生理学,生化学,遺伝子調節が変化します
適応反応には,オスモプロテクティブと抗酸化化合物の生成が含まれます.
具体例としては,干ばつ下での小麦のプロリン生成,トウモロコシの微分発現遺伝子 (DEGs),塩のストレス下でのDREBおよびbHLH転写因子による調節,砂糖ビートの非コーディングRNA制御,および熱/光のストレス下での熱ショックタンパク質の調節がある.

結論:

植物の環境ストレスへの適応は遺伝的,生理的,生化学的メカニズムの複雑な相互作用です
これらのメカニズムの知識は,改良された作物品種の開発を導くことができます.
この研究は持続可能な農業と食品生産の向上を支援します